30
EB 8384-0 EN
Attachment to the control valve – Mounting parts and accessories
Connecting plate
(stainless steel)
G ¼
¼ NPT
1400-7476
1400-7477
Pressure gauge
bracket
(stainless steel)
G ¼
¼ NPT
1402-0265
1400-7108
31 to Table 7 apply for attaching position
-
ers with stainless steel housings with the fol
-
lowing restrictions:
Direct attachment
All mounting kits from Table 3 and Table 4
can be used. The connection block is not
required. The stainless steel version of the
pneumatic connecting plate routes the air
internally to the actuator.
Attachment according to IEC 60534-6
(NAMUR rib or attachment to rod-type
yokes)
All mounting kits from Table 7 can be used.
Connecting plate in stainless steel.
4.7
Air purging function for
single-acting actuators
The exhaust air from the positioner is divert
-
ed to the actuator spring chamber to provide
corrosion protection inside the actuator. The
following must be observed:
Direct attachment to Type 3277-5 (stem ex
-
tends FA/stem retracts FE)
The air purging function is automatically pro
-
vided.
Direct attachment to Type 3277, 175 to
750 cm²
FA:
Remove the stopper (12.2, Fig. 4 on
page 17) at the connection block and
make a pneumatic connection to the
spring chamber on the vented side.
NOTICE
The method described does not apply
to old connection blocks in powder-
paint coated aluminum. In this case,
follow the instructions for attachment
described below in “Attachment acc.
to IEC 60534-6 (NAMUR rib or at
-
tachment to rod-type yokes)”.
FE:
The air purging function is automatically
provided.
Attachment according to IEC 60534-6
(NAMUR rib or attachment to rod-type yokes)
The positioner requires an additional port for
the exhaust air that can be connected over
piping. An adapter available as an accesso
-
ry is used for this purpose:
Threaded bushing
(M20 x 1.5)
G ¼
¼ NPT
0310-2619
0310-2550
NOTICE
The adapter uses one of the M20 x
1.5 connections in the housing which
means
only one
cable gland can be
installed.
Should other valve accessories be used
which vent the actuator (e.g. solenoid valve,
volume booster, quick exhaust valve), this ex
-
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